This is a new, original Honda cylinder head exhaust stud & it is also found on some ATC,s as the front brake rotor mounting stud. 

• 1983 ATC200X A - FRONT WHEEL
• 1983 ATC250R A - FRONT WHEEL / FRONT BRAKE DISK
• 1984 ATC200X A - FRONT WHEEL
• 1984 ATC250R A - FRONT WHEEL / FRONT BRAKE DISK
• 1985 ATC200X A - FRONT WHEEL
• 1985 ATC250R A - FRONT WHEEL
• 1986 ATC250ES A - CYLINDER HEAD
• 1986 ATC250R A - FRONT WHEEL
• 1986 ATC250SX A - CYLINDER HEAD
• 1986 ATC350X A - CYLINDER HEAD
• 1986 ATC350X A - FRONT WHEEL
• 1986 TRX250 A - CYLINDER HEAD
• 1986 TRX350 A - CYLINDER HEAD
• 1987 ATC250ES A - CYLINDER HEAD
• 1987 ATC250SX A - CYLINDER HEAD
• 1987 TRX250 A - CYLINDER HEAD
• 1987 TRX250X A - CYLINDER HEAD
• 1987 TRX350 A - CYLINDER HEAD
• 1987 TRX350D A - CYLINDER HEAD
• 1988 TRX250X A - CYLINDER HEAD
• 1988 TRX300 A - CYLINDER HEAD
• 1988 TRX300FW A - CYLINDER HEAD
• 1988 TRX350D A - CYLINDER HEAD
• 1989 TRX350D A - CYLINDER HEAD
• 1996 XR400R A - CYLINDER HEAD
• 1997 XR400R A - CYLINDER HEAD
• 1998 XR400R A - CYLINDER HEAD
• 1998 XR400R A/A - CYLINDER HEAD
• 1998 XR400R AC - CYLINDER HEAD
• 1998 XR400R AC/A - CYLINDER HEAD
• 1999 TRX400EX A - CYLINDER HEAD
• 1999 XR400R A - CYLINDER HEAD
• 1999 XR400R AC - CYLINDER HEAD
• 2000 TRX400EX A - CYLINDER HEAD
• 2000 XR400R A - CYLINDER HEAD
• 2000 XR400R AC - CYLINDER HEAD
• 2001 TRX400EX A - CYLINDER HEAD
• 2001 XR400R A - CYLINDER HEAD
• 2001 XR400R AC - CYLINDER HEAD
• 2002 CRF450R A - CYLINDER HEAD
• 2002 TRX400EX A - CYLINDER HEAD
• 2002 XR400R A - CYLINDER HEAD
• 2002 XR400R AC - CYLINDER HEAD
• 2003 CRF450R A - CYLINDER HEAD
• 2003 TRX400EX A - CYLINDER HEAD
• 2003 XR400R A - CYLINDER HEAD
• 2003 XR400R A/A - CYLINDER HEAD
• 2003 XR400R AC - CYLINDER HEAD
• 2003 XR400R AC/A - CYLINDER HEAD
• 2004 CRF250R A - CYLINDER HEAD
• 2004 CRF250R A/A - CYLINDER HEAD
• 2004 CRF250X A - CYLINDER HEAD
• 2004 CRF250X AC - CYLINDER HEAD
• 2004 CRF450R A - CYLINDER HEAD
• 2004 CRF450R A/A - CYLINDER HEAD
• 2004 TRX400EX A - CYLINDER HEAD
• 2004 XR400R A - CYLINDER HEAD
• 2004 XR400R A/A - CYLINDER HEAD
• 2004 XR400R A/B - CYLINDER HEAD
• 2004 XR400R A/C - CYLINDER HEAD
• 2004 XR400R AC - CYLINDER HEAD
• 2004 XR400R AC/A - CYLINDER HEAD
• 2004 XR400R AC/B - CYLINDER HEAD
• 2004 XR400R AC/C - CYLINDER HEAD
• 2005 CRF250R A - CYLINDER HEAD
• 2005 CRF250R A/A - CYLINDER HEAD
• 2005 CRF250R A/B - CYLINDER HEAD
• 2005 CRF250X A - CYLINDER HEAD
• 2005 CRF250X A/A - CYLINDER HEAD
• 2005 CRF250X AC - CYLINDER HEAD
• 2005 CRF250X AC/A - CYLINDER HEAD
• 2005 CRF450R A - CYLINDER HEAD
• 2005 CRF450R A/A - CYLINDER HEAD
• 2005 CRF450R A/B - CYLINDER HEAD
• 2005 CRF450X A - CYLINDER HEAD
• 2005 CRF450X AC - CYLINDER HEAD
• 2005 TRX400EX A - CYLINDER HEAD
• 2006 CRF250R A - CYLINDER HEAD
• 2006 CRF250R A/A - CYLINDER HEAD
• 2006 CRF250R A/B - CYLINDER HEAD
• 2006 CRF250X A - CYLINDER HEAD
• 2006 CRF250X A/A - CYLINDER HEAD
• 2006 CRF250X A/B - CYLINDER HEAD
• 2006 CRF250X AC - CYLINDER HEAD
• 2006 CRF250X AC/A - CYLINDER HEAD
• 2006 CRF450R A - CYLINDER HEAD
• 2006 CRF450R A/A - CYLINDER HEAD
• 2006 CRF450X A - CYLINDER HEAD
• 2006 CRF450X AC - CYLINDER HEAD
• 2006 TRX400EX A - CYLINDER HEAD
• 2007 CRF250R A - CYLINDER HEAD
• 2007 CRF250R A/A - CYLINDER HEAD
• 2007 CRF250X A - CYLINDER HEAD
• 2007 CRF250X A/A - CYLINDER HEAD
• 2007 CRF250X A/B - CYLINDER HEAD
• 2007 CRF250X AC - CYLINDER HEAD
• 2007 CRF250X AC/A - CYLINDER HEAD
• 2007 CRF250X AC/B - CYLINDER HEAD
• 2007 CRF450R A - CYLINDER HEAD
• 2007 CRF450R A/A - CYLINDER HEAD
• 2007 CRF450X A - CYLINDER HEAD
• 2007 TRX400EX A - CYLINDER HEAD
• 2008 CRF250R 2A - CYLINDER HEAD
• 2008 CRF250R 2A/A - CYLINDER HEAD
• 2008 CRF250R A - CYLINDER HEAD
• 2008 CRF250R A/A - CYLINDER HEAD
• 2008 CRF250X A - CYLINDER HEAD
• 2008 CRF250X A/A - CYLINDER HEAD
• 2008 CRF250X AC - CYLINDER HEAD
• 2008 CRF250X AC/A - CYLINDER HEAD
• 2008 CRF450R 2A - CYLINDER HEAD
• 2008 CRF450R 2A/A - CYLINDER HEAD
• 2008 CRF450R A - CYLINDER HEAD
• 2008 CRF450R A/A - CYLINDER HEAD
• 2008 CRF450X A - CYLINDER HEAD
• 2008 TRX400EX A - CYLINDER HEAD
• 2009 CRF250R A - CYLINDER HEAD
• 2009 CRF250X A - CYLINDER HEAD
• 2009 CRF250X AC - CYLINDER HEAD
• 2009 CRF450R A - CYLINDER HEAD
• 2009 CRF450X A - CYLINDER HEAD
• 2009 TRX400X 3A - CYLINDER HEAD
• 2009 TRX400X A - CYLINDER HEAD
• 2010 CRF450R A - CYLINDER HEAD
• 2011 CRF450R A - CYLINDER HEAD
• 2012 CRF250X A - CYLINDER HEAD
• 2012 CRF250X AC - CYLINDER HEAD
• 2012 CRF450R AC - CYLINDER HEAD
• 2012 CRF450X AC - CYLINDER HEAD
• 2012 TRX400X A - CYLINDER HEAD
• 2013 CRF250X A - CYLINDER HEAD
• 2013 CRF250X AC - CYLINDER HEAD
• 2013 CRF450R AC - CYLINDER HEAD
• 2013 CRF450R AC - CYLINDER HEAD (1)
• 2013 CRF450X AC - CYLINDER HEAD
• 2013 TRX400X AC - CYLINDER HEAD
• 2014 CRF450R AC - CYLINDER HEAD
• 2014 CRF450R AC - CYLINDER HEAD (1)
• 2014 CRF450X AC - CYLINDER HEAD
• 2014 TRX400X AC - CYLINDER HEAD
• 2015 CRF250X A - CYLINDER HEAD
• 2015 CRF250X AC - CYLINDER HEAD
• 2015 CRF450R AC - CYLINDER HEAD (2)
• 2015 CRF450X AC - CYLINDER HEAD
• 2016 CRF250X A - CYLINDER HEAD
• 2016 CRF250X AC - CYLINDER HEAD
• 2016 CRF450R AC - CYLINDER HEAD (2)
• 2016 CRF450X AC - CYLINDER HEAD
• 2017 CRF250X A - CYLINDER HEAD
• 2017 CRF250X AC - CYLINDER HEAD
• 2017 CRF450R AC - CYLINDER HEAD
• 2017 CRF450RX AC - CYLINDER HEAD
• 2017 CRF450X AC - CYLINDER HEAD
• 2018 CRF250R AC - CYLINDER HEAD
• 2018 CRF450R AC - CYLINDER HEAD
• 2018 CRF450RX AC - CYLINDER HEAD
• 2019 CRF250R AC - CYLINDER HEAD
• 2019 CRF250RX AC - CYLINDER HEAD
• 2019 CRF450L AC - CYLINDER HEAD
• 2019 CRF450R AC - CYLINDER HEAD
• 2019 CRF450RWE AC - CYLINDER HEAD
• 2019 CRF450RX AC - CYLINDER HEAD
• 2019 CRF450X AC - CYLINDER HEAD
• 2020 CRF250R AC - CYLINDER HEAD
• 2020 CRF250RX AC - CYLINDER HEAD
• 2020 CRF450L AC - CYLINDER HEAD
• 2020 CRF450R AC - CYLINDER HEAD
• 2020 CRF450RWE AC - CYLINDER HEAD
• 2020 CRF450RX AC - CYLINDER HEAD
• 2020 CRF450X AC - CYLINDER HEAD
• 2021 CRF250R AC - CYLINDER HEAD
• 2021 CRF250RX AC - CYLINDER HEAD
• 2021 CRF450R AC - CYLINDER HEAD
• 2021 CRF450RL AC - CYLINDER HEAD
• 2021 CRF450RWE AC - CYLINDER HEAD
• 2021 CRF450RX AC - CYLINDER HEAD
• 2021 CRF450X AC - CYLINDER HEAD
• 2022 CRF450R 2AC - CYLINDER HEAD
• 2022 CRF450R AC - CYLINDER HEAD
• 2022 CRF450RL AC - CYLINDER HEAD
• 2022 CRF450RWE AC - CYLINDER HEAD
• 2022 CRF450RX AC - CYLINDER HEAD
• 2022 CRF450X AC - CYLINDER HEAD
• 2023 CRF450R 2AC - CYLINDER HEAD
• 2023 CRF450R 3AC - CYLINDER HEAD
• 2023 CRF450R AC - CYLINDER HEAD
• 2023 CRF450RL AC - CYLINDER HEAD
• 2023 CRF450RWE AC - CYLINDER HEAD
• 2023 CRF450RX AC - CYLINDER HEAD
• 2023 CRF450X AC - CYLINDER HEAD
• 2024 CRF450R 2AC - CYLINDER HEAD
• 2024 CRF450R AC - CYLINDER HEAD
• 2024 CRF450RL AC - CYLINDER HEAD
• 2024 CRF450RWE AC - CYLINDER HEAD
• 2024 CRF450RX AC - CYLINDER HEAD
• 2024 CRF450X AC - CYLINDER HEAD